29. The decay of strontium-90 follows a first-order process and the rate constant is 0.02406 year−1.
問題詳情
29. The decay of strontium-90 follows a first-order process and the rate constant is 0.02406 year−1. How much of 2 mg sample ofstrontium-90 remains after 144 years? (A) 0.250 mg (B) 0.062 mg (C) 0.031 mg (D) 0.125 mg (E) 0.500 mg